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7052661 Method for abatement of mercury emissions from combustion gases  
A process for removing mercury from a feed of coal, heavy oil or other mercury contaminated material is disclosed. The feed is thermally decomposed, preferably within, or above, a molten metal bath...
7033547 Exhaust gas treating apparatus and vehicle equipped with the apparatus  
An exhaust gas treating an apparatus and a vehicle vehicles equipped with the apparatus, wherein a liquid-including substance having salt including oxygen acid radical of nitrogen is installed in...
6929786 Method for separating zirconium and hafnium tetrachlorides with the aid of a melted solvent  
A method of separating zirconium and hafnium tetrachlorides using a solvent comprising firstly an alkaline metallic solvent comprising a salt made up of an alkali metal chloride and an acidic metal...
6855859 Method for controlling elemental mercury emissions  
Chlorine and sulfide species are separately introduced to a flue gas passing through a scrubber in order to remove the elemental and oxidized mercury from the gas through the precipitation of...
6855302 Method for emission control of dioxin and/or furan waste gas pollutants in a cement clinker production line  
In order to provide a comparatively simple and cost-effective method for cement clinker production lines where especially raw materials and/or fuel/secondary fuel containing chlorine compounds and...
6214305 Method and apparatus for the treatment of diesel exhaust gas  
A method and apparatus for the oxidation of liquid or solid contaminants in the exhaust gas from diesel engines is provided. The process is conducted by passing the contaminated diesel engine...
6110435 Method and device for nitric oxide reduction in exhaust fumes  
A process for reducing nitrogen oxides in the exhaust gas of a combustion device, particularly of an internal-combustion engine, includes melting solid pure urea to obtain a molten product, and...
5866095 Method and system of formation and oxidation of dissolved atomic constitutents in a molten bath  
A method and system is disclosed for converting a feed, such as a carbonaceous waste, to dissolved atomic constituents for subsequent oxidation of the dissolved atomic constituents. The feed is...
5762659 Waste processing  
A process for atomically converting gaseous waste materials into nonhazardous forms and a medium BTU gas is described. The reactor includes molten layers of iron and reactive slag in an upwardly...
5716592 Cerous chloride-chromic oxide catalyst for producing chlorine, methods for producing the same and a method for producing chlorine  
A process for producing chlorine by reaction of gaseous hydrogen chloride with oxygen in the presence of a catalyst prepared by reaction of chromium trioxide and cerous chloride with ethanol and...
5585532 Method for treating a gas formed from a waste in a molten metal bath  
A method and a system is disclosed for treating a gaseous discharge stream formed from a waste in a molten metal bath. The waste is directed into a reactor containing a molten metal bath. The...
5498399 Process for removing nitrogen oxides  
Disclosed herein are an inexpensive catalyst for removing nitrogen oxides effectively from an exhaust gas by either catalytic reduction or catalytic decomposition, and a process for removing...
5455015 Method for the removal of sulfur and nitrogen oxides from gases using sulfate and hydrogen sulfate salt baths  
Sulfur oxides are removed from a gas containing same by contacting the gas with a system including ammonium, potassium, and/or sodium salts in a solid phase and ammonium, sodium, and/or potassium...
5385689 Process and composition for purifying semiconductor process gases to remove Lewis acid and oxidant impurities therefrom  
Scavenger compositions useful for purifying process gas streams, such as process gas streams, such as hydrogen, nitrogen, noble gases, diborane, and hydride gases from Groups IVA-VIA of the...
5376354 Process for disposal of waste by combustion with oxygen  
A process for the disposal of refuse is characterized by combustion of combustible, solid, pasty or liquid waste materials in a combustion plant with a combustion gas containing at least 50%...
5338521 Process for reversibly absorbing acid gases from gaseous mixtures  
A process is disclosed for reversibly absorbing acid gases from gaseous mixtures wherein a salt hydrate is heated to a temperature above its melting point and exposed to an acid gas which is...
5226934 Recovery of elemental sulfur from gases  
A process for the separation of elemental sulfur from a gas comprises contacting the gas with molten sulfur whereby to extract the sulfur from the gas.
5114690 Two stage sorption of sulfur compounds  
A two stage method for reducing the sulfur content of exhaust gases is disclosed. Alkali- or alkaline-earth-based sorbent is totally or partially vaporized and introduced into a sulfur-containing...
4988488 Iron aluminides and nickel aluminides as materials for chemical air separation  
The present invention is directed to a chemical air separation process using a molten salt solution of alkali metal nitrate and nitrite wherein the materials of construction of the containment for...
4973456 Use of salt hydrates as reversible absorbents of acid gases  
The present invention is a process for reversibly absorbing acid gases, such as CO 2 , H 2 S, SO 2 , HCN and the like from gas mixtures. The gas mixture containing one or more of these acid gases...
4944934 High temperature oxygen recovery with reversible chemical reaction  
Separation of oxygen from air is performed in a continuous, cyclic manner using vanadium bronze liquid slurries as reversible chemical absorbents, absorbing at elevated temperature and desorbing at...
4800070 Catalysts for absorptive air separation  
The present invention is directed to catalysts for the absorptive separation of oxygen from oxygen-containing gas mixtures, such as air, using reversible chemical reaction systems, such as,...
4780114 Molten salt hydrate membranes for the separation of gases  
The present invention is a membrane and a process for separating at least one component from at least one other component in a gas mixture. A gaseous mixture is passed over a membrane having a thin...
4746502 Liquid phase thermal swing chemical air separation  
A temperature swing absorption separation of oxygen from air is performed with an oxygen acceptor of alkali metal nitrate and nitrite.
4708860 Split-flow regeneration in absorptive air separation  
A chemical absorptive separation of air in multiple stage of absorption and desorption is performed with partial recycle of absorbent between stages of desorption necessary to match equilibrium...
4666696 Destruction of nerve gases and other cholinesterase inhibitors by molten metal reduction  
Cholinesterase inhibiting agents such as nerve gas agents and pesticide agents are destroyed by reaction with molten aluminum and the gaseous products are analyzed and recycled if they are not...
4617182 Cascade heat recovery with coproduct gas production  
A process for the integration of a chemical absorption separation of oxygen and nitrogen from air with a combustion process is set forth wherein excess temperature availability from the combustion...
4617046 Method for the heat processing of glass and glass forming material  
A method of controlling NO x emissions from a combustion chamber wherein non-combustable particulate matter is heat processed. The particulate matter to be heat processed is entrained and...
4565685 Air separation with temperature and pressure swing  
A chemical absorbent air separation process is set forth which uses a temperature swing absorption-desorption cycle in combination with a pressure swing wherein the pressure is elevated in the...
4564509 Method and apparatus for improved gettering for reactant gases  
A method of removing oxygen and water vapor and other oxygen bearing gas species from reactant gases comprising the use of an appropriate solution containing an active gettering metal, selected...
4552667 Destruction of organic hazardous wastes  
Hazardous waste containing organic compound having covalently bound oxygen, nitrogen, sulfur and/or phosphorus is reduced with aluminum to less hazardous form.
4537835 Oxidation of hydrogen halides to elemental halogens  
A process for oxidizing hydrogen halides having substantially no sulfur impurities by means of a catalytically active molten salt is disclosed. A mixture of the subject hydrogen halide and an...
4529577 Oxygen/nitrogen production with molten alkali salts  
Method of separating oxygen or nitrogen from air using as an oxygen acceptor composition a molten solution of alkali metal salt of a cation composition of sodium and potassium cations and an anion...
4526768 Process for producing sulphuric acid  
In a process for producing sulphuric acid from roasting gas containing SO 2 , H 2 O and Hg, comprising the steps of (a) drying the gas with H 2 SO 4 (b) subjecting the gas to a catalytic...
4525212 Decontamination of aluminum by chlorination  
Decontaminating an aluminum melt by chlorination wherein the melt is blanketed with a layer of molten flux containing calcium oxide to consume any Cl 2 and/or AlCl 3 offgasses from the melt.
4521398 Controlled temperature expansion in oxygen production by molten alkali metal salts  
A continuous process is set forth for the production of oxygen from an oxygen containing gas stream, such as air, by contacting a feed gas stream with a molten solution of an oxygen acceptor to...
4478801 Method for purifying exhaust gases with hydrogensulfates  
A process for purifying exhaust gases is disclosed. Exhaust gases discharged when coal or petroleum is burned are forced to pass through reaction media consisting of molten salts whose major...
4477373 Molten salt hazardous waste disposal process utilizing gas/liquid contact for salt recovery  
The products of a molten salt combustion of hazardous wastes are converted into a cooled gas, which can be filtered to remove hazardous particulate material, and a dry flowable mixture of salts,...
4470958 Composition and process for the removal of impurities from combustion gases  
A low melting, eutectic melt salt composition comprising Li 2 CO 3 , Na 2 CO 3 and K 2 CO 3 , also containing MnCO 3 , is disclosed including its use as a melt in the process for the removal of...
4469661 Destruction of polychlorinated biphenyls and other hazardous halogenated hydrocarbons  
This invention relates to the destruction of polychlorinated biphenyls (PCBs) and other hazardous halogenated hydrocarbons by treating solids contaminated with such to extract the halogenated...
4396594 Sulfur dioxide reduction process  
Sulfur dioxide is converted to elemental surfur by reduction with a carbonaceous material in a reaction zone containing a molten salt. Heat is provided by reacting a portion of the carbonaceous...
4357308 Dual temperature dual desulfurization  
A fuel gas is desulfurized while hot by contact with a molten alkali salt. The salt is regenerated for further use by contact with a recirculating gas stream. The H 2 S and COS picked up by the...
4340578 Oxygen production by molten alkali metal salts  
A continuous process for separating oxygen from air by means of a reversible chemical reaction wherein air is reacted with an oxygen acceptor which is subsequently decomposed to yield the product...
4308037 High temperature pollutant removal from gas streams  
High temperature thermal exchange between molten liquid and a gas stream is effected by generating in a confined flow passageway a plurality of droplets of molten liquid and by passing a gas stream...
4252774 Method of processing aluminous ores  
A method of producing aluminum chloride from aluminous materials containing compounds of iron, titanium and silicon comprising reacting the aluminous materials with carbon and a chlorine-containing...
4246255 Disposal of PCB  
A process for the decomposition of polychlorinated biphenyls (PCB's) with negligible environmental pollution. The process comprises feeding the PCB and a source of oxygen to a molten salt...
4244930 Method for the wet separation of impurities from gases of higher temperature  
Wet separation at high temperatures of acidic impurities from gases. The gases are scrubbed with a melt of an alkali metal compound in which a solid alkaline earth metal compound is dispersed.
4243650 Heat and volatized salt recovery from reaction effluent  
A reaction effluent containing vaporized salt withdrawn from a reaction zone, such as a molten salt reaction zone, is contacted with solid particles to cool the gas and condense vaporized salt onto...
4207298 High temperature removal of H.sub.2 S from reducing gas  
High temperature reducing gas is scrubbed of H 2 S and other gaseous sulfur compounds at high temperature (>800° K.) in a highly efficient regenerative process. The scrubbing is effected in at...
4196174 Nickel sulfide process for the removal of H.sub.2 S  
A continuous process for the selective removal of hydrogen sulfide from a hot gas stream containing hydrogen sulfide by contacting the effluent with particulate nickel or nickel oxide at a...
Matches 1 - 50 out of 95 1 2 >